Compare Names
Search for up to 4 names to compare side by side, or browse a curated comparison below.
- Alex
- Cillian
| Field | Alex | Cillian |
|---|---|---|
| Record type | Editorially researched profile | Editorially researched profile |
| Gender usage | male | male |
| Meaning | A short form of Alexander, Alexandra and other names beginning with 'Alex' — from Greek elements meaning 'defender' and 'man/people'. | Probably from Old Irish 'cell' (church) combined with a diminutive suffix. |
| Origin | Greek, short form | Irish |
| Pronunciation | /ˈæl.ɪks/ | Not yet recorded |
| Syllables | 2 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ | GB-ENW, GB-NIR, GB-SCT, IE |
| Most recent popularity observation | Republic of Ireland · Boys #37 (2025) | Republic of Ireland · Boys #9 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 82/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Alex is recorded with a Greek, short form origin, while Cillian is recorded with a Irish origin.
- Alex and Cillian both have 2 syllables.
- Alex's recorded meaning differs from Cillian's — see the table above for each.
- Both names have recorded usage in GB-ENW, GB-NIR, GB-SCT, IE.
Name rivalries — pairs whose positions genuinely passed each other →
Curated comparisons
Two of the UK's most enduringly popular girls' names, both with a soft, flowing sound and a similar era of peak popularity — the choice usually comes down to origin story and nickname preference.
Both are currently the most-used boys' names in several English-speaking countries. Oliver leans slightly more classic/literary; Noah is shorter and more globally portable.
Both short, currently-fashionable UK names — Freya carries Norse mythological weight, while Isla is a Scottish place name that reads as slightly softer and more understated.
Both carry regal, 'strength'-adjacent meanings and centuries of royal usage — Alexander is the more internationally familiar choice, Magnus the more distinctive.